[PATCH] powerpc/pseries: Make vio and ibmebus initcalls pseries specific

[Tyrel Datwyler]

On 4/16/20 9:07 PM, Oliver O'Halloran wrote:
> The vio and ibmebus buses are used for pseries specific paravirtualised
> devices and currently they're initialised by the generic initcall types.
> This is mostly fine, but it can result in some nuisance errors in dmesg
> when booting on PowerNV on some OSes, e.g.
> 
> [    2.984439] synth uevent: /devices/vio: failed to send uevent
> [    2.984442] vio vio: uevent: failed to send synthetic uevent
> [   17.968551] synth uevent: /devices/vio: failed to send uevent
> [   17.968554] vio vio: uevent: failed to send synthetic uevent
> 
> We don't see anything similar for the ibmebus because that depends on
> !CONFIG_LITTLE_ENDIAN.
> 
> This patch squashes those by switching to using machine_*_initcall() so the bus
> type is only registered when the kernel is running on a pseries machine.
> 
> Signed-off-by: Oliver O'Halloran <oohall at gmail.com>
> ---

Reviewed-by: Tyrel Datwyler <tyreld at linux.ibm.com>